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REFERENCES

Anonym. (1981). A handbook of diseases of cultured clarias (pla duk) in Thailand. NIFI, Freshwater Fisheries Division, Department of Fisheries. 45pp.

Boyd, C.E. (1982). Water quality management for pond fish culture. Amsterdam, Elsevier, 375 pp.

Boyd, C.E. (1990). Water Quality in Ponds for Aquaculture. Birmingham, Birmingham Publishing Co., 482 pp.

Chervinski, J. (1984). Salinity tolerance of young catfish, Clarias lazera Burchell). J.Fish Biol., 25, 147–149.

Clay, D. (1979). Sexual maturity and fecundity of the African catfish (Clarias gariepinus) with an observation on the spawning behavior of the Nile catfish (Clarias lazera). Zool. J. Linn. Soc., 65, 351–365.

Clay, D. (1981). Utilization of plant materials by juvenile African catfish (Clarias gariepinus) and its importance in fish culture. J. Limnol. Soc. sth Afr. 7(2), 47–56.

Clay, H., Clay, D. (1981). Biometry of catfish (Clarias lazera) ovaries in Israel, with comments on fecundity and methodology. Israel J. Zool., Vol. 30, 177–189.

Gohl, B. (1981). Tropical feeds. FAO Animal Production and Health Series, No. 12, FAO/UN Rome, 529 pp.

Greenwood, P.H. (1955). Reproduction in the Cat-fish, Clarias mossambicus Peters. Nature, 176, 516–518.

Groenewald, A.A.v J. (1963). Observations on the Food Habits of Clarias gariepinus Burchell, The South African Freshwater Barbel (Pisces:Clariidae) in Transvaal.

Haylor, G.S. (1989). The case for African catfish, Clarias gariepinus Burchell, 1822, Clariidae: a comparison of the relative merits of Tilapiine fishes, especially Oreochromis niloticus (L.) and C. gariepinus Burchell, for African aquaculture. Aquac. Fish. Man., 20, 279–285.

Hogendoorn, H. (1979). Controlled propagation of the African catfish, Clarias lazera (C. and V.). I. Reproductive biology and field experiments. Aquaculture, 17, 323–333.

Hogendoorn, H. and Vismans, M.M. (1980). Controlled propagation of the African catfish, Clarias lazera (C. and V.) II. Artificial reproduction. Aquaculture, 21, 39–53.

Hogendoorn, H. (1980). Controlled propagation of the African catfish, Clarias lazera (C. and V.) III. Feeding and growth of fry. Aquaculture, 21, 233–241.

Janssen, J. (1987). Hatchery management of the African Clariid Catfish Clarias gariepinus (Burchell, 1982). In Coche. A., Edwards, D. (Eds), Selected aspects of warmwater fish culture. FAO/UN, Rome, 1989. 181pp.

Micha, J.C. (1973). Etude des populations piscicoles de l Ubangui et tentative de selection et d adaptation de quelques especes a l etang de pisciculture. Centre Technique Forestier Tropical, Nogent-sur-Marne, 100 pp.

Micha, S.C. (1975). Synthese des essaiz de reproduction, d'aleviuage et de production chey un silure African, Clarias lazera. Symp. FAO/CPCA sur l' Aquiculture en Afrique. CHA/75/SE5: 23pp.

Molnar, K. and Szakolczai, J. (1980). Halbetegsegek. Mezogazdasagi Kiado, Budapest. 254pp.

Peteri, A., Horvath, L., Radich, F., Pupanne, B.F. (1989). Az afrikai harcsa (Clarias gariepinus) tenyesztese. Halaszat, 82, 86–91.

Rana, K.J. (1989). Lecture/manual notes for the training course in Hungary-Fish hatchery management. Institute of Aquaculture, University of Stirling, Scotland. Manuscript.

Srisuwahtach, V., Trangtrongpiros, M. (1985). Induced breeding and larval rearing of Clarias macrocephalus. Regional Lead Centre in Thailand at NIFI, Bangkok, 15pp.

Thakur, N.K., Das, P. (1986) Synopsis of biological data on magur Clarias batrachus (Linnaeus, 1758). Bull.No. 41, Central Inland Fisheries Research Institute, Barrackpore. 81 pp.

Uys, W., Hecht, T. (1985). Evaluation and preparation of an optimal dry feed for the primary nursing of Clarias gariepinus larvae (Pisces: Clariidae). Aquaculture, 47, 173–183.

Van der Wall, B.C.W. and Schoonbee, H.J. (1975). Age and growth studies of Clarias gariepinus (Burchell) (Clariidae) in the Transvaal, South Africa. J. Fish Biol., 7, 227–233.

Van der Waal, B.C.W. (1985). Sripping male Clarias gariepinus of semen. Aquaculture, 48, 137–142.

Viveen, W.J., Richter, C.J., Janssen, J.A., van Oordt, P.G., Huisman, E.A. (1986). Practical manual for the culture of the African catfish (Clarias gariepinus). Department of Fish Culture and Fisheries of the Agricultural University of Wageningen, the Netherlands, 121pp.

Woynarovich, E., Horvath, L. (1980). The artificial propagation of warm-water fin fishes. A manual for extensions. FAO Fish. Tech. Pap., 201, 183pp.

Wembiao, Z., Jionghua, P., Whensheng, L. (1988). Culture of catfish in China. Review. Aquaculture, 75, 35–44.


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